/* ========================================
   PAWBIOTIX LANDING PAGE STYLES
   Modern Pet-Friendly Professional Design
   ======================================== */

/* === CSS VARIABLES === */
:root {
    /* Colors - Modern Blues with Warm Accents */
    --color-primary: #2563EB;
    --color-primary-dark: #1E40AF;
    --color-primary-light: #3B82F6;
    --color-secondary: #F59E0B;
    --color-secondary-dark: #D97706;
    --color-accent: #10B981;
    --color-accent-light: #34D399;
    
    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;
    --color-black: #000000;
    
    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Quicksand', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-xl: 2rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Container */
    --container-max-width: 1200px;
}

/* === RESET & BASE STYLES === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input, select, textarea {
    font-size: 16px; /* Prevents zoom on iOS */
}

/* === CONTAINER === */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

@media (min-width: 768px) {
    .container {
        padding: 0 2rem;
    }
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: var(--font-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    min-height: 48px;
    cursor: pointer;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-hero {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    font-size: 1.125rem;
    padding: 1.125rem 2.5rem;
    box-shadow: var(--shadow-lg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.btn-hero:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* === HEADER & NAVIGATION === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all var(--transition-base);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    padding: 0.5rem 0;
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo-icon {
    font-size: 1.75rem;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav__link {
    font-weight: 500;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.nav__link:hover {
    color: var(--color-primary);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__cta {
    padding: 0.75rem 1.5rem;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    width: 28px;
    height: 24px;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav {
        padding: 1rem 1.25rem;
    }
    
    .nav__toggle {
        display: flex;
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 5rem 2rem 2rem;
        box-shadow: var(--shadow-2xl);
        transition: right var(--transition-base);
        overflow-y: auto;
    }
    
    .nav__menu.active {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
    }
    
    .nav__item {
        border-bottom: 1px solid var(--color-gray-200);
    }
    
    .nav__link {
        display: block;
        padding: 1rem 0;
        font-size: 1.125rem;
    }
    
    .nav__cta {
        margin-top: 2rem;
        width: 100%;
        justify-content: center;
    }
    
    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

/* === HERO SECTION === */
.hero {
    position: relative;
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    padding: 8rem 0 6rem;
    margin-top: 4.5rem;
    overflow: hidden;
}

.hero__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero__image {
    position: relative;
    animation: fadeInLeft 1s ease-out;
}

.hero__image-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero__product {
    position: relative;
    z-index: 1;
    width: 50%;
    max-width: 450px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero__floating-element {
    position: absolute;
    font-size: 2rem;
    animation: floatElement 4s ease-in-out infinite;
}

.hero__element-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.hero__element-2 {
    top: 70%;
    right: 10%;
    animation-delay: 1s;
}

.hero__element-3 {
    bottom: 15%;
    left: 15%;
    animation-delay: 2s;
}

@keyframes floatElement {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-15px) rotate(10deg); }
}

.hero__content {
    animation: fadeInRight 1s ease-out;
}

.hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
}

.highlight {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.hero__wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
}

.hero__wave svg {
    display: block;
    width: 100%;
    height: auto;
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Mobile Hero */
@media (max-width: 767px) {
    .hero {
        padding: 6rem 0 4rem;
        margin-top: 4rem;
    }
    
    .hero__wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero__product {
        max-width: 100px;
    }
    
    .hero__title {
        text-align: center;
    }
    
    .hero__description {
        text-align: center;
        font-size: 1rem;
    }
    
    .btn-hero {
        width: 100%;
        font-size: 1rem;
        padding: 1rem 2rem;
    }
}

/* === WHY CHOOSE US SECTION === */
.why-choose {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.badges {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.badge-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.badge-card.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

.badge-card:hover {
    transform: translateY(-10px) scale(1.05) rotate(2deg);
    box-shadow: var(--shadow-2xl);
}

.badge-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
}

.badge-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.badge-title {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.badge-description {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-600);
}

/* Mobile Badges */
@media (max-width: 991px) {
    .badges {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 575px) {
    .badges {
        grid-template-columns: 1fr;
    }
}

/* === WHAT IS SECTION === */
.what-is {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.what-is__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.what-is__content .section-title {
    text-align: left;
}

.what-is__text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.what-is__image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Mobile What Is */
@media (max-width: 767px) {
    .what-is__wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .what-is__content .section-title {
        text-align: center;
    }
    
    .what-is__image {
        order: -1;
    }
}

/* === HOW IT WORKS SECTION === */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.accordion {
    max-width: 900px;
    margin: 0 auto;
}

.accordion-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.accordion-item:hover {
    box-shadow: var(--shadow-lg);
}

.accordion-header {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.accordion-header:hover {
    background: var(--color-gray-50);
}

.accordion-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.accordion-title {
    flex: 1;
}

.accordion-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.accordion-item.active .accordion-toggle {
    transform: rotate(45deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.accordion-item.active .accordion-content {
    max-height: 500px;
}

.accordion-content p {
    padding: 0 1.5rem 1.5rem 4.5rem;
    line-height: 1.8;
    color: var(--color-gray-600);
}

@media (max-width: 767px) {
    .accordion-content p {
        padding: 0 1.5rem 1.5rem;
    }
}

/* === REVIEWS SECTION === */
.reviews {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.review-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    opacity: 0;
    transform: scale(0.9);
}

.review-card.aos-animate {
    opacity: 1;
    transform: scale(1);
    animation: reviewFloat 3s ease-in-out infinite;
}

@keyframes reviewFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-10px) scale(1.02); }
}

.review-card:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: var(--shadow-xl);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary-light);
}

.review-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.review-location {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.review-rating {
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.review-text {
    line-height: 1.7;
    color: var(--color-gray-600);
    font-style: italic;
}

/* Mobile Reviews */
@media (max-width: 991px) {
    .reviews-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 575px) {
    .reviews-grid {
        grid-template-columns: 1fr;
    }
}

/* === PRICING SECTION === */
.pricing {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.pricing--second {
    background: var(--color-gray-50);
}

.pricing-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.countdown {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xl);
    font-family: var(--font-secondary);
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 100px;
}

.countdown-value {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.countdown-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.25rem;
}

.countdown-separator {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.pricing-card--popular {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.pricing-card--popular:hover {
    transform: translateY(-10px) scale(1.05);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
}

.pricing-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.pricing-package {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.pricing-supply {
    font-size: 1rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

.pricing-image {
    margin: var(--spacing-md) 0;
}

.pricing-image img {
    max-width: 200px;
    margin: 0 auto;
}

.pricing-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
}

.pricing-unit {
    font-size: 1rem;
    color: var(--color-gray-600);
}

.pricing-total {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: var(--spacing-md);
}

.pricing-original {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    text-decoration: line-through;
}

.pricing-discounted {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.pricing-bonuses {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.bonus-badge {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
}

.btn-pricing {
    width: 100%;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 50px;
}

.btn-pricing--popular {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
}

.btn-cart-icon {
    width: 24px;
    height: 24px;
}

.payment-logos img {
    max-width: 250px;
    margin: 0 auto;
}

.rating-section {
    text-align: center;
}

.rating-image {
    max-width: 300px;
    margin: 0 auto;
}

/* Mobile Pricing */
@media (max-width: 991px) {
    .countdown-item {
        padding: 0.75rem 1.5rem;
        min-width: 80px;
    }
    
    .countdown-value {
        font-size: 2rem;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-card--popular {
        grid-column: 1 / -1;
        transform: scale(1);
    }
}

@media (max-width: 575px) {
    .countdown-item {
        padding: 0.5rem 1rem;
        min-width: 70px;
    }
    
    .countdown-value {
        font-size: 1.75rem;
    }
    
    .countdown-label {
        font-size: 0.75rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: 1.5rem;
    }
    
    .pricing-price {
        font-size: 2.5rem;
    }
}

/* === INGREDIENTS SECTION === */
.ingredients {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.ingredient-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.ingredient-name {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.ingredient-description {
    line-height: 1.7;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
}

.ingredient-benefits {
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-700);
}

/* Mobile Ingredients */
@media (max-width: 767px) {
    .ingredients-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* === SCIENTIFIC EVIDENCE SECTION === */
.scientific-evidence {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.evidence-content {
    max-width: 900px;
    margin: 0 auto;
}

.evidence-section {
    margin-bottom: var(--spacing-xl);
}

.evidence-title {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.evidence-text {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 767px) {
    .evidence-text {
        font-size: 1rem;
    }
}

/* === GUARANTEE SECTION === */
.guarantee {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #FEF3C7 0%, #FDE68A 100%);
}

.guarantee__wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.guarantee__image img {
    max-width: 400px;
    margin: 0 auto;
}

.guarantee__content .section-title {
    text-align: left;
}

.guarantee-points {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.guarantee-point {
    display: flex;
    gap: 1.5rem;
}

.guarantee-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.guarantee-details h3 {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.guarantee-details p {
    line-height: 1.7;
    color: var(--color-gray-700);
}

/* Mobile Guarantee */
@media (max-width: 767px) {
    .guarantee__wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .guarantee__content .section-title {
        text-align: center;
    }
    
    .guarantee__image {
        order: -1;
    }
    
    .guarantee-point {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

/* === BENEFITS SECTION === */
.benefits {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.benefits-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    background: var(--color-gray-50);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition-base);
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.benefit-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.benefit-content h3 {
    font-size: 1.25rem;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.benefit-content p {
    line-height: 1.7;
    color: var(--color-gray-600);
}

@media (max-width: 767px) {
    .benefit-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* === FAQ SECTION === */
.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-50);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-800);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 44px;
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-toggle {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-primary);
    transition: transform var(--transition-base);
}

.faq-item.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 1.5rem 1.5rem;
    line-height: 1.8;
    color: var(--color-gray-600);
}

/* === FINAL CTA SECTION === */
.final-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.final-cta__content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta__image {
    margin-bottom: var(--spacing-xl);
    animation: finalFloat 3s ease-in-out infinite;
}

@keyframes finalFloat {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-15px) scale(1.05); }
}

.final-cta__image img {
    max-width: 350px;
    margin: 0 auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
}

.final-cta__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.final-cta__pricing {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-xl);
}

.final-cta__regular {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
}

.final-cta__regular del {
    color: rgba(255, 255, 255, 0.6);
}

.final-cta__special {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.btn-final-cta {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    font-size: 1.25rem;
    padding: 1.25rem 3rem;
    box-shadow: var(--shadow-2xl);
}

.btn-final-cta:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.4);
}

@media (max-width: 767px) {
    .final-cta__image img {
        max-width: 250px;
    }
    
    .final-cta__special {
        font-size: 2rem;
    }
    
    .btn-final-cta {
        width: 100%;
        font-size: 1.125rem;
        padding: 1rem 2rem;
    }
}

/* === FOOTER === */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-link {
    color: var(--color-gray-300);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-separator {
    color: var(--color-gray-600);
}

.footer-disclaimer {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.footer-disclaimer p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--color-gray-400);
}

.footer-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--color-white);
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--color-primary);
    transform: translateY(-3px);
}

.footer-copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

@media (max-width: 767px) {
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .footer-separator {
        display: none;
    }
}

/* === SCROLL TO TOP BUTTON === */
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
    cursor: pointer;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-2xl);
}

/* === POPUP === */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    padding: 1rem;
}

.popup.active {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    max-width: 500px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-2xl);
    animation: popupSlideIn 0.5s ease-out;
}

@keyframes popupSlideIn {
    from {
        transform: translateY(-50px) scale(0.9);
    }
    to {
        transform: translateY(0) scale(1);
    }
}

.popup-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    background: var(--color-gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.popup-close:hover {
    background: var(--color-gray-300);
    transform: rotate(90deg);
}

.popup-body {
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.popup-title {
    font-size: 2rem;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.popup-text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.btn-popup {
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
    color: var(--color-white);
    width: 100%;
}

@media (max-width: 767px) {
    .popup-content {
        margin: 0 1rem;
    }
    
    .popup-body {
        padding: 2.5rem 1.5rem 1.5rem;
    }
}

/* === PURCHASE NOTIFICATION === */
.purchase-notification {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--shadow-2xl);
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 350px;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
    transition: all var(--transition-base);
}

.purchase-notification.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.notification-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notification-text {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--color-gray-700);
}

.notification-name {
    color: var(--color-primary);
    font-weight: 600;
}

.notification-location {
    color: var(--color-gray-600);
}

.notification-action {
    color: var(--color-gray-800);
}

@media (max-width: 767px) {
    .purchase-notification {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        max-width: none;
    }
}

/* === AOS ANIMATIONS === */
[data-aos] {
    opacity: 0;
    transition-property: opacity, transform;
    transition-duration: 0.6s;
    transition-timing-function: ease-out;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

[data-aos="slide-up"] {
    transform: translateY(50px);
}

[data-aos="slide-up"].aos-animate {
    transform: translateY(0);
}

/* === MEDIA QUERIES FOR REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === PRINT STYLES === */
@media print {
    .header,
    .nav,
    .scroll-top,
    .popup,
    .purchase-notification {
        display: none !important;
    }
}